Compute the percentage change in nominal gdp real gdp and

Question

Year Nominal GDP Real GDP GDP Deflator

2016 200                          200   100

2017 400 400 100

2018 800 400 200

Compute the percentage change in nominal GDP, real GDP, and the GDP deflator in 2017 and 2018 from the preceding year. For each year, identify the variable that does not change. Explain why your answer makes sense.